Finding the Fourth Proportional to 79,992.96, 119,974.68 and 29,380.92
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Solution
The fourth proportional to 79,992.96, 119,974.68 and 29,380.92 is: 44,065.96
Step by Step Solution
- Step 1: Write the proportion equation
79,992.96 : 119,974.68 = 29,380.92 : x - Step 2: Convert to fraction form
79,992.96/119,974.68 = 29,380.92/x - Step 3: Cross multiply
79,992.96x = 119,974.68 × 29,380.92 - Step 4: Simplify right side
79,992.96x = 3,524,966,475.11 - Step 5: Solve for x
x = 3,524,966,475.11/79,992.96 - Step 6: Final answer
x = 44,065.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.